php man page for pdo_oci-dsn

PDO_OCI-DSN(3)								 1							    PDO_OCI-DSN(3)

PDO_OCI DSN - Connecting to Oracle databases

	The PDO_OCI Data Source Name (DSN) is composed of the following elements:

	      o DSN prefix
		- The DSN prefix is oci:.

	      o dbname	(Oracle Instant Client) - The URI for the Oracle Instant Client connection takes the form of dbname=//$hostname:$port-num-
		ber/$database. If you are connecting to a database defined in tnsnames.ora, use only the name of the database: dbname=$database.

	      o charset - The client-side character set for the current environment handle.

       Example #1

	      PDO_OCI DSN examples

	       The following examples show a PDO_OCI DSN for connecting to Oracle databases:

	      // Connect to a database defined in tnsnames.ora
	      oci:dbname=mydb

	      // Connect using the Oracle Instant Client
	      oci:dbname=//localhost:1521/mydb

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